feat: ES-198 enhance performance when loading big projects (#93)

* feat: Use virtualization, improve performance in result mapper

* feat: Improve code viewer

* fix: editor scroll sync

* feat: improve sidebar

* feat: add loading state to results sidebar

* feat: add usequery cache, create reusable useResults hook

* feat: cache results in memory

* feat: more caching

* feat: refresh results cache after changing config

* feat: small improvements

* feat: fix unit tests

Author: matiasdaloia

app.go

@@ -132,7 +132,9 @@ func (a *App) initializeMenu() {
 
 	// View menu
 	ViewMenu := AppMenu.AddSubmenu("View")
-	ViewMenu.AddText("Sync Scroll Position", keys.Combo("e", keys.ShiftKey, keys.CmdOrCtrlKey), func(cd *menu.CallbackData) {})
+	ViewMenu.AddText("Sync Scroll Position", keys.Combo("e", keys.ShiftKey, keys.CmdOrCtrlKey), func(cd *menu.CallbackData) {
+		runtime.EventsEmit(a.ctx, string(entities.ActionToggleSyncScrollPosition))
+	})
 
 	// Scan menu
 	ScanMenu := AppMenu.AddSubmenu("Scan")

backend/entities/keyboard.go

@@ -53,7 +53,7 @@ const (
 	ActionReplaceComponentWithComments    Action = "replaceComponentWithComments"
 
 	// View
-	ActionSyncScrollPosition         Action = "toggleSyncScrollPosition"
+	ActionToggleSyncScrollPosition   Action = "toggleSyncScrollPosition"
 	ActionShowKeyboardShortcutsModal Action = "showKeyboardShortcutsModal"
 
 	// Scan
@@ -105,7 +105,7 @@ var AllShortcutActions = []struct {
 	{ActionReplaceFileWithComments, "ReplaceFileWithComments"},
 	{ActionReplaceComponentWithoutComments, "ReplaceComponentWithoutComments"},
 	{ActionReplaceComponentWithComments, "ReplaceComponentWithComments"},
-	{ActionSyncScrollPosition, "ToggleSyncScrollPosition"},
+	{ActionToggleSyncScrollPosition, "ToggleSyncScrollPosition"},
 	{ActionShowKeyboardShortcutsModal, "ShowKeyboardShortcutsModal"},
 	{ActionScanWithOptions, "ScanWithOptions"},
 }
@@ -296,8 +296,8 @@ var DefaultShortcuts = []Shortcut{
 		Description: "Sync the scroll position of the editors",
 		Accelerator: keys.Combo("e", keys.ShiftKey, keys.CmdOrCtrlKey),
 		Keys:        "shift+mod+e",
-		Group:       GroupActions,
-		Action:      ActionReplaceComponentWithComments,
+		Group:       GroupView,
+		Action:      ActionToggleSyncScrollPosition,
 	},
 
 	// Scan

backend/entities/mocks/mock_FileWatcher.go

@@ -39,11 +39,11 @@ var (
 )
 
 type Result struct {
-	Path          string    `json:"path"`
-	MatchType     string    `json:"match_type"`
-	Purl          *[]string `json:"purl,omitempty"`
-	ComponentName string    `json:"component"`
-	Matches       []Match   `json:"matches,omitempty"`
+	Path          string      `json:"path"`
+	MatchType     string      `json:"match_type"`
+	Purl          *[]string   `json:"purl,omitempty"`
+	ComponentName string      `json:"component"`
+	Matches       []Component `json:"matches,omitempty"`
 }
 
 func NewResult() *Result {
@@ -96,14 +96,6 @@ type ResultLicense struct {
 	URL    string `json:"url,omitempty"`
 }
 
-type Match struct {
-	ID            string          `json:"id"`
-	Purl          []string        `json:"purl,omitempty"`
-	ComponentName string          `json:"component"`
-	Matched       string          `json:"matched,omitempty"`
-	Licenses      []ResultLicense `json:"licenses,omitempty"`
-}
-
 type MatchType string
 
 const (

backend/entities/result.go

@@ -0,0 +1,61 @@
+package entities
+
+import (
+	"github.com/fsnotify/fsnotify"
+	"github.com/rs/zerolog/log"
+)
+
+type FileWatcher interface {
+	Start() error
+	Close() error
+}
+
+type fsNotifyWatcher struct {
+	watcher      *fsnotify.Watcher
+	path         string
+	onFileChange func()
+}
+
+func NewFsNotifyWatcher(path string, onFileChange func()) (FileWatcher, error) {
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		return nil, err
+	}
+	return &fsNotifyWatcher{
+		watcher:      watcher,
+		path:         path,
+		onFileChange: onFileChange,
+	}, nil
+}
+
+func (w *fsNotifyWatcher) Start() error {
+	if err := w.watcher.Add(w.path); err != nil {
+		log.Error().Err(err).Msgf("Error watching file: %s", w.path)
+		return w.Close()
+	}
+
+	go func() {
+		for {
+			select {
+			case event, ok := <-w.watcher.Events:
+				if !ok {
+					return
+				}
+				if event.Op&fsnotify.Write == fsnotify.Write {
+					w.onFileChange()
+				}
+			case err, ok := <-w.watcher.Errors:
+				if !ok {
+					return
+				}
+				log.Error().Err(err).Msg("Watcher error")
+			}
+		}
+	}()
+
+	return nil
+}
+
+func (w *fsNotifyWatcher) Close() error {
+	return w.watcher.Close()
+}